Super cheap flights from Barcelona, Spain to Boston, USA for only €156 roundtrip with Air Canada.
Cheap flights from Barcelona, Spain to Los Angeles, USA for only €285 roundtrip with Delta.
Fly from Barcelona, Spain to Tehran, Iran for only €129 roundtrip.
**EXPIRED** ERROR FARE: Business Class from Spain to the USA from only €442 roundtrip (lie-flat seats)
Business Class, Error Fare flights from Spain to the USA from only €442 roundtrip with Alitalia.
Cheap flights from many European cities to Johannesburg, South Africa from only €307 roundtrip with Iberia.
Cheap flights from Madrid or Barcelona, Spain to Salvador, Brazil from only €360 roundtrip with TAP Portugal.
Super cheap flights from Bilbao, Valencia or Barcelona, Spain to Panama City, Panama from only €220 roundtrip with Lufthansa.
Super cheap, non-stop flights from Barcelona, Spain to Boston, USA for only €92 one-way. Also works in reverse (for $137 one-way).
Super cheap flights from Barcelona, Spain to San Francisco, USA for only €214 roundtrip with Swiss International Air Lines and United Airlines.